diff --git a/src/libs/antares/study/area/area.cpp b/src/libs/antares/study/area/area.cpp
index da99f973ae..929e8653c2 100644
--- a/src/libs/antares/study/area/area.cpp
+++ b/src/libs/antares/study/area/area.cpp
@@ -46,8 +46,7 @@ void Area::internalInitialize()
 
 Area::Area():
     reserves(fhrMax, HOURS_PER_YEAR),
-    miscGen(fhhMax, HOURS_PER_YEAR),
-    hydro(*this)
+    miscGen(fhhMax, HOURS_PER_YEAR)
 {
     internalInitialize();
 }
diff --git a/src/libs/antares/study/include/antares/study/parts/hydro/container.h b/src/libs/antares/study/include/antares/study/parts/hydro/container.h
index e09970b79c..6748c830e7 100644
--- a/src/libs/antares/study/include/antares/study/parts/hydro/container.h
+++ b/src/libs/antares/study/include/antares/study/parts/hydro/container.h
@@ -81,7 +81,7 @@ class PartHydro
     /*!
     ** \brief Default Constructor
     */
-    PartHydro(const Data::Area& area);
+    PartHydro();
     //! Destructor
     ~PartHydro();
 
diff --git a/src/libs/antares/study/parts/hydro/container.cpp b/src/libs/antares/study/parts/hydro/container.cpp
index c9dc476de5..e09ae5a8fb 100644
--- a/src/libs/antares/study/parts/hydro/container.cpp
+++ b/src/libs/antares/study/parts/hydro/container.cpp
@@ -32,7 +32,7 @@ using namespace Yuni;
 
 namespace Antares::Data
 {
-PartHydro::PartHydro(const Data::Area& area) :
+PartHydro::PartHydro() :
     interDailyBreakdown(0.),
     intraDailyModulation(2.),
     intermonthlyBreakdown(0),